Shock Absorbing Soundproofing: Car sound deadening mats can effectively absorb and reduce noise, maintain shock absorption performance for a long time, and improve driving comfortMaterial: The automotive sound deadener is made of butyl rubber material, which is strong and wear resistant, ensuring long term performance and reliabilityEasy to install: Automotive vibration dampening mats, high reliability, and performance, easy to install and use, with self sticky material, can adapt to surfaces of different shapes, providing you with a better fit effectQuality: Sound dampening pads, professional manufacturing, stable performance, waterproof, easy to clean and maintain, suitable for use in various environmentsWide Application: Automotive accessories are widely used and suitable for most vehicles. It is a beautiful and practical universal auto accessory Specification: Material: Butyl rubber Size Chart: 46 cmx80 cmx0.2 cm/18.11 inchx31.50 inchx0.08 inch Package Includes: 4xCar Sound Deadening Mats Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.